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Author Question: What two factors can change a rock's melting point? What will be an ideal ... (Read 74 times)

kfurse

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on: Jul 29, 2018
What two factors can change a rock's melting point?
 
  What will be an ideal response?

Question 2

The volcanoes of the Hawaiian Islands are
 
  A) strato-volcanoes.
  B) composed of andesite.
  C) shield volcanoes.
  D) cinder cones.


Swizqar

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: Pressure and water. Inside Earth, pressure increases with depth as a result of the increased load of rock above. As pressure increases, melting point increases. The water content of a rock also affects its melting point. Rocks with a higher water content have a lower melting point. Rocks with a low water content have a higher melting point.

Answer to Question 2

Answer: C


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kfurse

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Reply #2 on: Jul 29, 2018
Thank you!


Swizqar

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Reply #3 on: Jul 29, 2018
Always glad to help...


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